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net: dsa: b53: Utilize common helpers for u64/MAC

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Utilize the two functions recently introduced: u64_to_ether() and
ether_to_u64() instead of our own versions.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2017-01-05 11:08:58 -08:00 committed by David S. Miller
parent 7558828ade
commit 4b92ea81cc
2 changed files with 4 additions and 22 deletions
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2
drivers/net/dsa/b53/b53_common.c
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@ -1137,7 +1137,7 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,
int ret;
/* Convert the array into a 64-bit MAC */
mac = b53_mac_to_u64(addr);
mac = ether_addr_to_u64(addr);
/* Perform a read for the given MAC and VID */
b53_write48(dev, B53_ARLIO_PAGE, B53_MAC_ADDR_IDX, mac);

24
drivers/net/dsa/b53/b53_priv.h
View File

@ -22,6 +22,7 @@
#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/phy.h>
#include <linux/etherdevice.h>
#include <net/dsa.h>
#include "b53_regs.h"
@ -325,25 +326,6 @@ struct b53_arl_entry {
u8 is_static:1;
};
static inline void b53_mac_from_u64(u64 src, u8 *dst)
{
unsigned int i;
for (i = 0; i < ETH_ALEN; i++)
dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff;
}
static inline u64 b53_mac_to_u64(const u8 *src)
{
unsigned int i;
u64 dst = 0;
for (i = 0; i < ETH_ALEN; i++)
dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i);
return dst;
}
static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
u64 mac_vid, u32 fwd_entry)
{
@ -352,14 +334,14 @@ static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
ent->is_age = !!(fwd_entry & ARLTBL_AGE);
ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
b53_mac_from_u64(mac_vid, ent->mac);
u64_to_ether_addr(mac_vid, ent->mac);
ent->vid = mac_vid >> ARLTBL_VID_S;
}
static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
const struct b53_arl_entry *ent)
{
*mac_vid = b53_mac_to_u64(ent->mac);
*mac_vid = ether_addr_to_u64(ent->mac);
*mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
*fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
if (ent->is_valid)